Our automobiles benefit from more and more technologies, in most cases this provides us an additional comfort of use. Having said that, technology has its positive aspects, but also has some cons, with it, we see bugs showing up! One of them is the Start and Stop feature, which is meant to help you save fuel and preserve the planet. You may encounter problems and want to turn off the start stop technology on Bmw Serie 3 E90 . But how do I do that? In this post we will help you discover how this system works, how to disable start and stop on xxx, and what are the repeated problems you may confront with this option.

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How does the Start Stop on Bmw Serie 3 E90 work?

Start Stop technology operation

Start Stop is a latest technology that began to be integrated into recent automobiles about ten years ago. This technology aims to limit the fuel consumption of your Bmw Serie 3 E90 and to protect the environment by limiting CO2 emissions. Its convenience is mainly relevant in an urban environment. In truth, automobiles can be made to spend up to 35% of their time at a standstill during urban journeys. The guarantee of start and stop on your vehicle is to save you between 5% and 15% in fuel consumption. However, on long travels or secondary roads, its usefulness is limited. How it works:

  • A reinforced starter or a last generation alternator with included starter
  • When you shift into neutral and release the clutch pedal, the engine will shut off.
  • When you shift into gear, the car will immediately restart.

On some superior variants, your Bmw Serie 3 E90 will even be able to shut down while you are not stopped (up to 20km/h on some start and stop).

Start Stop Bmw Serie 3 E90: Pros and cons

Nevertheless this system has fair positive aspects in terms of environmental conservation and fuel economy, there are on the other hand some cons to having a start and stop on Bmw Serie 3 E90 .

  • Benefits:

    • You will make fuel and CO2 emission savings if you have a mainly urban use of your Bmw Serie 3 E90. You will too. In addition, you will be able to benefit from the purchase of a vehicle with a more interesting bonus/malus, allowing you to to buy a cheaper car . Finally, you will benefit from an additional comfort because your engine will be stopped when you pass red lights or stops.

  • Disadvantages

    • It’s not interesting for you to have this system if you drive on secondary roads . This system is actually quite expensive to buy (between 500 and 1500€) . Finally, the first generations of start stop technology can go through a premature wear of the starter and the battery of your Bmw Serie 3 E90. you will have to buy or change your battery more quite often,

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How to turn off Start Stop technology on Bmw Serie 3 E90?

Now let’s move on to the part you’re probably most enthusiastic about, how to turn off, disconnect or take out the start stop on your Bmw Serie 3 E90? .
Based on how you use your car, you may desire to turn off this system, which can be annoying or you may experience that your starter is experiencing premature wear, or you may have had to purchase a new AGM or EFB battery on your Bmw Serie 3 E90 . All these are valid factors to disable your start and stop system.
In this article are the two most important techniques for turning off the start and stop on Bmw Serie 3 E90:

  • The traditional technique: Know, if you don’t already know it, that there is a start and stop disable button on your center console (depending on the year of your car you may have a button labeled “ECO”, “Start and Stop” or “S&S”) that you can use to disconnect your start and stop on every begin. However, this technique needs you to redo the treatment every time you start the car.
  • It is possible that the start and stop of your Bmw Serie 3 E90 is switched off entirely: It is possible that the start and stop of your Bmw Serie 3 E90 is switched on unintentionally, or that it does not match the use you have of your car. In such a case, you can deactivate it by two different ways. You can create a bridge behind the activation button of your start and stop . Finally, second technique you can disconnect the battery charge indicator cable that is on the terminals of your battery, which will make your Bmw Serie 3 E90 presume that the battery is tired and will deactivate the start and stop to preserve your autonomy.

Start Stop Technology problems Bmw Serie 3 E90

Concerning the different complications you might encounter with the start and stop of your Bmw Serie 3 E90 . It is possible that this is activated in an unforeseen technique , for example you are doing a manoeuvre and you don’t have time to replace to reverse gear and the car stops. It is possible that this problem is related to the series of your Bmw Serie 3 E90. Try to completely deactivate your Start and Stop as discovered in the previous section to avoid this issue or go to your garage to see if there is a particular remedy. Another problem encountered by Bmw Serie 3 E90 owners is that you may encounter premature wear of your battery or starter motor. These particular parts for start and stop are expensive, and if you have already looked over the battery prices for xxx or those of the starters you must have discovered that they are much more expensive than classic batteries, do not hesitate to deactivate this system to avoid this kind of issue. Finally, it may be that your start and stop on Bmw Serie 3 E90 does not work anymore , in this case, go to your mechanic to solve this issue.

If you want more tutorials on the Bmw Serie 3 E90, go to our Bmw Serie 3 E90 category.